[Asterisk-Users] New T100P Pri install suggestions?

[Timothy Costello]

1) Most PRI T-1's in the US are set up as NI2 even if the actual switch 
is something else.

2) Correct

3) As far as I know zttool is it in asterisk. But then w/my install it 
'Just Worked' (tm) So I didn't even need that...

4) When an incoming call is presented on the PRI you will get some 
number of digits put into EXTEN and the dialplan will try top match 
it... i.e. if the DID range the telco has assigned you is (555) 
555-1100 thru (555) 555-1199 they will probably just send you the last 
2 or 4 digits, assuming 4 digits, you will get (and have to match in 
your dialplan) 1100 thru 1199.

Hope that helps!
Tim


On Nov 30, 2004, at 9:48 AM, Lyle Giese wrote:

> 1) national would be my choice.
>
> 2) the number will depend on the load order of the modules when you 
> modprobe
> them.
>
> I don't know the answers to the other two questions as I have not done 
> a PRI
> with * yet.
>
> Lyle
>
> ----- Original Message -----
> From: "Rich Adamson" <radamson at routers.com>
> To: "Asterisk-a-users-list" <asterisk-users at lists.digium.com>
> Sent: Monday, November 29, 2004 7:15 AM
> Subject: [Asterisk-Users] New T100P Pri install suggestions?
>
>
>> In the next week or so, we'll be turning up a new T1 Pri from Cox 
>> Cable
>> in Omaha using a T100P (installed but not yet configured). While
> discussing
>> the interface parameters with a very knowledgable Cox engineer, we 
>> decided
>> on some of the basics including b8zs, esf, dchan=24, callerid, 5 
>> digits
>> of called number forwarded to *, and switchtype=national (NI2). They
>> indicated their CO switch is a DMS500 that is compatible with several
>> different switchtypes including 5ess, dms100, etc. * will clock sync
>> from this pri.
>>
>> This system also has a tdm04b (4-port fxo) installed and working, and 
>> is
>> expected to remain after the t100p is implemented. Zttool can see both
> cards
>> at the moment.
>>
>> Questions:
>> 1. Is a switchtype=national (NI2) a reasonable choice, or are there 
>> other
>> types that others have found to be more usable/stable with * in the 
>> US?
>>
>> 2. Since the current system has a working tdm04b defined as fxsks=1-4 
>> in
>> /etc/zaptel.conf, how will I know when implementing the t100p whether
>> those b-channels should be 5-28 or 1-23? (eg, which card has channel 
>> 1?
>> It almost appears that defining the span= first with bchan=1-23 and
>> follow it with fxsks=25-28 (for the tdm04b), is about the only way to
>> do that without creating ambiguity for the reader.) Is that a 
>> reasonable
>> approach or assumption?
>>
>> 3. Other then zttool, what other methods have others found useful for
>> diagnosing layer 1 & 2 type issues remotely during an initial pri 
>> install?
>> (After ensuring layer 1/2 functionality, I'm assuming 'pri debug', 
>> etc,
>> is most appropriate for diagnosing higher layer and dialplan issues.)
>>
>> 4. In very general terms, when passing incoming pri calls to a 
>> specific
>> extensions.conf context, is using 'exten => s,1...' a reasonable way
>> to handle inbound calls initially? (Is the 'called number' passed in
>> EXTEN like it is with sip calls?)
>>
>> Any other tips/tricks for handling an initial pri installation?
>>
>> Rich
>>
>>
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